- All sections
- C - Chemistrymetallurgy
- C07D - Heterocyclic compounds
- C07D 221/10 - Aza-phenanthrenes
Patent holdings for IPC class C07D 221/10
Total number of patents in this class: 72
10-year publication summary
|
5
|
3
|
6
|
2
|
2
|
1
|
3
|
2
|
1
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Bristol-myers Squibb Company | 4742 |
4 |
| LG Chem, Ltd. | 17921 |
4 |
| Merck Patent GmbH | 5728 |
4 |
| The Regents of the University of California | 20745 |
3 |
| Boehringer Ingelheim International GmbH | 4493 |
3 |
| Vitae Pharmaceuticals, Inc. | 87 |
3 |
| Canon Kabushiki Kaisha | 7314 |
3 |
| ArQule, Inc. | 132 |
2 |
| Chugai Seiyaku Kabushiki Kaisha | 1423 |
2 |
| East China University of Science and Technology | 552 |
2 |
| Sagami Chemical Research Institute | 94 |
2 |
| Shanghai Institute of Materia Medica, Chinese Academy of Sciences | 873 |
2 |
| Tosoh Corporation | 1417 |
2 |
| Universita' degli Studi di Udine | 79 |
2 |
| Samsung Electronics Co., Ltd. | 157719 |
1 |
| Samsung Display Co., Ltd. | 38627 |
1 |
| Canon Inc. | 43817 |
1 |
| Centre National de La Recherche Scientifique | 11023 |
1 |
| Bayer Cropscience AG | 1844 |
1 |
| Sumitomo Chemical Company, Limited | 9016 |
1 |
| Other owners | 28 |